The problems are not being report on all Windows 8 smartphones, and issues with newly released software and equipment are not uncommon. Manufacturers usually issue software updates to correct user difficulties with new mobile products. Microsoft unveiled its Windows 8 operating system in October.

Microsoft is betting that Windows 8 will unify the computing experience across smartphones, personal computers and tablets and give it an advantage over mobile devices running Apple‘s (NASDAQ:AAPL) iOS and Google‘s (NASDAQ:GOOG) Android operating system.